These flags may be used:
a: displays number of warnings about bad boxes
c: displays the boxes warning by size (at the end)
e: displays the end of the log
f: outputs the LaTeX Font Infos
h: outputs only warnings about horizontal boxes
i: displays 'images' (pdf, [e]ps, png, jpg) used
n: displays page numbers
o: outputs only warnings about overfull boxes
p: outputs the LaTeX Packages infos
r: displays warnings about references
s: displays .sty and .cls files used
t: displays .tex files used
u: outputs only warnings about underfull boxes
v: outputs only warnings about vertical boxes
w: displays all Warnings
More documentation is available with `perldoc texloganalyser`.
